MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef5ac294d9362a9da60b52494588ed6e21b291acbecd15ab99c192d78add24f9. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 15


Intelligence 15 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef5ac294d9362a9da60b52494588ed6e21b291acbecd15ab99c192d78add24f9
SHA3-384 hash: 23c89cb36c693afe8f9ac88bcf8e3f24ecf7d87a13bedd04bc996dccb5fc8bd53ebb6800313a7ea0c21029b3ad1ec608
SHA1 hash: 73b7079173f8f8086c049013cebda7d6df8e01ce
MD5 hash: e8cbd5675d4c737a5ae343e52f0d8449
humanhash: robin-wisconsin-india-nebraska
File name:New Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:755'200 bytes
First seen:2023-12-07 07:59:47 UTC
Last seen:2023-12-07 09:21:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:vqc3+GCueH5qEbnvaKi+YEuRKfM9Dna9hzHT+xVlMsRyFd3ouXfYfUqJJu8hBBek:v/uG2qE7I+Y0LGxVlMdpngfUcthSkkkN
TLSH T1B5F4120477B84336D9FE9FB521B22510A7B63D6F6970D60D5C8610DE0B7AF818AA1F23
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
334
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/463158/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65717b8d18cffa73b1dd0ddc/reports/29c5bb68-1f43-4b47-ae05-444f18c902d4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ef5ac294d9362a9da60b52494588ed6e21b291acbecd15ab99c192d78add24f9
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e49c20ab-56d1-463e-b6da-8e0cc75edc05
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1355244
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef5ac294d9362a9da60b52494588ed6e21b291acbecd15ab99c192d78add24f9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef5ac294d9362a9da60b52494588ed6e21b291acbecd15ab99c192d78add24f9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-06 15:22:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=55nmffgzgyvj3jqlkjeulchnnyq3fenmx3grlk4zygjnpcw5et4q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231207-j9y75agc99/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
da04dd34a2218a21e281662f15dff0766b3a3a5e913b39621df68bcd4039249a
MD5 hash:
46cc0f9a48ae7c962ceee4ec87185cf4
SHA1 hash:
d54381c0a861bd1ac3d3bb10a224b983debad3bf
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/1959e66a-164d-4ae5-b2b3-700dabc4c26e/
Parent samples :
ef5ac294d9362a9da60b52494588ed6e21b291acbecd15ab99c192d78add24f9
62ac966bbf9e18043009d186e0dca05437c730f4ecdde53929ce2094aad1f14c
SH256 hash:
bbba2a68080e1fc8b179a447ca83c4cfe42e149ef44bc398ea3488fc0390bc6b
MD5 hash:
0fe1ffaef64040d5be29f42a28e52cb9
SHA1 hash:
6d8797922313473bf164fee11cbc8bfd887c21f0
Link:
https://www.unpac.me/results/1959e66a-164d-4ae5-b2b3-700dabc4c26e/
SH256 hash:
b0024814dd1091f4b54bf7abf0711924cb56e1c44bd6603e47616ae628ae520a
MD5 hash:
c3b311b541aa8225b3fa678efc2da568
SHA1 hash:
6d4501cf2b493bc9229293833b827cbf9e3f65f1
Link:
https://www.unpac.me/results/1959e66a-164d-4ae5-b2b3-700dabc4c26e/
SH256 hash:
f78c5cfc91e2928d8b2ea5e78c89da39240513c54c4435ca9493e1b598ea1684
MD5 hash:
06f2329acc2643b4834a1f288f78e3ee
SHA1 hash:
55cd93b83a0618e041e6e367e287c6f853aa3a85
Link:
https://www.unpac.me/results/1959e66a-164d-4ae5-b2b3-700dabc4c26e/
SH256 hash:
ef5ac294d9362a9da60b52494588ed6e21b291acbecd15ab99c192d78add24f9
MD5 hash:
e8cbd5675d4c737a5ae343e52f0d8449
SHA1 hash:
73b7079173f8f8086c049013cebda7d6df8e01ce
Link:
https://www.unpac.me/results/1959e66a-164d-4ae5-b2b3-700dabc4c26e/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef5ac294d936/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef5ac294d9362a9da60b52494588ed6e21b291acbecd15ab99c192d78add24f9

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe ef5ac294d9362a9da60b52494588ed6e21b291acbecd15ab99c192d78add24f9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/463158/

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